a = 1
b = 'ww'
c = True
d = 2.0

aa = int(2)
bb = float(2.34)
cc = str('ww')
ff = bool(True)

print(type(aa))
print(type(bb))
print(type(cc))
print(type(ff))

# 数组
w = [1, 2, 3, 4, '5', 'sss']
e = (1, 2, 3, '44', 'ww', [1, 2, 3, ])

i = 23
if i > 12:
    print('wwww 12')
elif i > 20:
    print('www,20')
else:
    print('end or')

for i in [2, 3, 4, 5]:
    print(i)

for i in range[2, 34]:
    print(i)

# dict
map = {'a': 1, 'b': 2, "c": 3}
for i in map:
    print(i)

aa = dict({'q': 22})

"""
数据类型转换
"""
int('233')
float('2.34')
str('233')
bool(1)
dict()
set()